[DeTomaso] NPC-1988 GMC Smog Test

[Donny Williams]

Art

More then likely it is the Ethanol mix in gasoline that cleaned it up.
----- Original Message ----- 
From: "Art Stephens" <artstephens at charter.net>
To: "Art Stephens" <artstephens at charter.net>; <detomaso at realbig.com>
Sent: Thursday, January 31, 2008 3:54 AM
Subject: Re: [DeTomaso] NPC-1988 GMC Smog Test


>      Great news to report!  Fully expecting  to fail my California smog 
> test,  (after nearly failing two years ago),  I was amazed when I passed 
> with flying colors!  I mean I didn't just pass,  I smoked the test!  No 
> pun intended.  My truck put out maybe 10% of the emissions it did two 
> years ago!  In preparation for this year's test,  I did four things 
> different.  First off,  I added one quart of the Lucas Heavy Duty Oil 
> Stabilizer.  Next I used the CRC Guaranteed to Pass,  Emissions Test 
> Formula,  Complete Fuel System Cleaner.  I replaced my standard AC Delco 
> spark plugs that had 99,000 miles on them.  The same plugs had 73,000 
> miles on them during the last test two years ago.  (Maybe that was my 
> Problem).  Finally,  I got the engine good and hot before testing.  I 
> drove to the facility in lower than normal gears,  turning higher rpms.  I 
> want to thank all of you guys that responded,  for your help.  It was much 
> appreciated!
>
> Art
>
>
>  ----- Original Message ----- 
>  From: Art Stephens
>  To: detomaso at realbig.com
>  Sent: Sunday, January 06, 2008 9:03 AM
>  Subject: NPC-1988 GMC Smog Test
>
>
>       I have a 1988 GMC 2500 3/4 ton pick up truck that has to be smog 
> tested here in California this month.  Two years ago it only passed by the 
> skin of it's teeth.  In the 15 mph Hydrocarbon test,  it blew 115 when 116 
> is allowable.  So,  I am pretty sure it is not going to pass this time. 
> My question is,  what can I replace to at least have a chance of passing? 
> I failed the hydrocarbon test four years ago and after replacing the 
> catalytic converter,  I passed,  but not with flying colors.  The 
> catalytic converter has about 50,000 miles on it and the EGR valve is six 
> years old with about 80,000 miles on it.  The oxygen sensor is almost six 
> years old with about 75,000 miles on it.  The engine is still running good 
> after 282,000 miles.  I'm guessing that an engine rebuild would solve the 
> hydrocarbon problem but of course,  I don't want to do that.  Any 
> suggestions?
>
>  Thanks,
>  Art
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